25263567

素因数分解:

$3^2\times 7^2\times {\mathrm{57287}}^1$

素因数の和:57307

約数の個数: 18

約数和(自身を含む): 42450408

約数和(自身を除く): 17186841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 57287, 171861, 401009, 515583, 1203027, 2807063, 3609081, 8421189, 25263567]

約数ペア:

[(1, 25263567), (3, 8421189), (7, 3609081), (9, 2807063), (21, 1203027), (49, 515583), (63, 401009), (147, 171861), (441, 57287)]